The error code ETC 000876.04 is triggered when the power module (HF) PC6 measures a current in excess of 30 amps at the compressor clutch output (lead 2023) when the compressor clutch (M02) is switched on. This condition indicates a short to ground in the circuit.

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The error code ETC 000876.01 is generated when the power module (HF) PC6 measures less than 3 volts at the supply voltage for the compressor clutch output (lead 0732) when the compressor clutch (M02) is switched on. This indicates a power supply fault in the circuit.

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The error code ETC 000876.00 is triggered when the power module (HF) PC6 measures a total amperage exceeding 40 amps at the A1, C1, and D1 outputs. This condition can indicate a short to ground or a defective component in one of the monitored circuits. The following functions are monitored together and can also trigger…

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The error code ETC 000871.13 is triggered when the control unit measures refrigerant pressure below 1.7 bar (24.6 psi) at the refrigerant pressure sensor (B130, lead 2019). This indicates an issue with the refrigerant system, such as a leak, insufficient refrigerant charge, or a malfunctioning sensor.

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The error code ETC 000871.04 is triggered when the control unit measures 0 volts at the signal input for the refrigerant pressure sensor (B130, lead 2019). This indicates a possible open circuit or disconnection in the wiring, resulting in no voltage being detected at the sensor input.

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The error code ETC 000871.03 is triggered when the control unit measures a voltage in excess of 5 volts at the signal input for the refrigerant pressure sensor (B130, lead 2019). This high voltage indicates a short to a supply lead somewhere in the circuit, which can disrupt the accurate reading of refrigerant pressure.

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The error code ETC 000639.14 is generated when the control unit detects a very high error rate on the Vehicle CAN BUS. This indicates that the control unit is receiving an excessive number of incorrect CAN BUS messages or that there is a general problem with the CAN BUS network, such as electrical interference, faulty…

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The error code ETC 000630.02 indicates an EEPROM error within the control unit. EEPROM (Electrically Erasable Programmable Read-Only Memory) is used to store configuration settings and other critical data. Errors in EEPROM can lead to incorrect data storage and retrieval, affecting the control unit’s performance.

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The error code ETC 000628.12 is triggered when an internal electronic malfunction is detected within the control unit. This could be due to a variety of issues, including hardware failures, software bugs, or problems with the control unit’s internal circuitry.

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The error code ETC 000168.04 is triggered when the control unit detects a supply voltage below 9 volts. This condition is specifically monitored at pin 22, lead 0402 (ELX). Insufficient supply voltage can result from issues such as a weak battery, poor electrical connections, faulty alternator, or problems within the voltage regulation system. Low voltage…

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The error code ETC 000168.03 is triggered when the control unit detects a supply voltage exceeding 16 volts. This condition is specifically monitored at pin 22, lead 0402 (ELX). Excessive supply voltage can be caused by issues such as a malfunctioning voltage regulator, alternator overcharging, or wiring problems that lead to high voltage spikes. This…

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